- updated to 0.103
- took maintainership
- Makefile cleanup

Changelog:
0.103

Detect whether isa() is being called with 1 or 2 arguments and
dispatch to the correct function. This is hacky but fixes the problem
of clashing with UNIVERSAL::isa().

0.102

Behave well when a code comparator doesn't give diagnostics. Thanks to
Alex Kapranoff.

(rhaen)